org.apache.flink.contrib.siddhi

Class SiddhiStream.UnionSiddhiStream<T>

java.lang.Object

org.apache.flink.contrib.siddhi.SiddhiStream

org.apache.flink.contrib.siddhi.SiddhiStream.ExecutableStream

org.apache.flink.contrib.siddhi.SiddhiStream.UnionSiddhiStream<T>

Enclosing class:

SiddhiStream

public static class SiddhiStream.UnionSiddhiStream<T>
extends SiddhiStream.ExecutableStream

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.contrib.siddhi.SiddhiStream

SiddhiStream.ExecutableStream, SiddhiStream.ExecutionSiddhiStream, SiddhiStream.SingleSiddhiStream<T>, SiddhiStream.UnionSiddhiStream<T>

Constructor Summary

Constructors

Constructor and Description
UnionSiddhiStream(String firstStreamId, List<String> unionStreamIds, SiddhiCEP environment)

Method Summary

Modifier and Type	Method and Description
protected org.apache.flink.streaming.api.datastream.DataStream<org.apache.flink.api.java.tuple.Tuple2<String,Object>>	toDataStream()
SiddhiStream.UnionSiddhiStream<T>	union(String... streamId)
SiddhiStream.UnionSiddhiStream<T>	union(String streamId, org.apache.flink.streaming.api.datastream.DataStream<T> dataStream, String... fieldNames) Define siddhi stream with streamId, source DataStream and stream schema and continue to union it with current stream.

Methods inherited from class org.apache.flink.contrib.siddhi.SiddhiStream.ExecutableStream

cql

Methods inherited from class org.apache.flink.contrib.siddhi.SiddhiStream

convertDataStream, getCepEnvironment

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UnionSiddhiStream

public UnionSiddhiStream(String firstStreamId,
                         List<String> unionStreamIds,
                         SiddhiCEP environment)

Method Detail

union

public SiddhiStream.UnionSiddhiStream<T> union(String streamId,
                                               org.apache.flink.streaming.api.datastream.DataStream<T> dataStream,
                                               String... fieldNames)

Define siddhi stream with streamId, source DataStream and stream schema and continue to union it with current stream.

Parameters:

streamId - Unique siddhi streamId

dataStream - DataStream to bind to the siddhi stream.

fieldNames - Siddhi stream schema field names

Returns:

SiddhiStream.UnionSiddhiStream context

union

public SiddhiStream.UnionSiddhiStream<T> union(String... streamId)

Parameters:

streamId - another defined streamId to union with.

Returns:

SiddhiStream.UnionSiddhiStream context

toDataStream

protected org.apache.flink.streaming.api.datastream.DataStream<org.apache.flink.api.java.tuple.Tuple2<String,Object>> toDataStream()

Specified by:

toDataStream in class SiddhiStream

Returns:

Transform SiddhiStream to physical DataStream